I like the discussion. Obviously I'm not dying on any hills here. I just think it's worth looking at the movie in a different pov. Thank you.
I've been on the other side, as a patient.
Edit. I think she did want the best for everyone. Even during the climatic scene. She just didn't know what else to do, and using his mother as a form of pressure, while definitely wrong in hindsight, was really all she had left at the time. Don't forget that scene is the morning after they all threw a party and everyone was basically drunk, including staff.
I also recommend reading the book. It's really good.